Question :
31. Which of the following stages of development that a baby : 1252966
31. Which of the following stages of development that a baby goes through is CORRECTLY matched with a description or milestone?
A. Germinal; the organism grows from one to hundreds of cells
B. Perinatal; the first cell is formed by the union of an egg and sperm
C. Embryonic; facial features become similar to those that the child will display at birth
D. Fetal; the fertilization of the egg takes place
32. The developing fetus reaches the age of viability _____ weeks after conception, during the _____ period.
A. 22; embryonic
B. 22; fetal
C. 28; embryonic
D. 28; fetal
33. Sensitive or critical periods in development can occur:
A. only before birth.
B. only after birth.
C. either before or after birth.
D. only during puberty.
34. An infant is considered preterm if it is born before week _____.
A. 22
B. 28
C. 36
D. 38
35. Which genetic or chromosomal abnormality below is CORRECTLY matched with its description?
A. Phenylketonuria—the child cannot produce a critical enzyme, resulting in an accumulation of poisons, in turn causing mental retardation
B. Tay-Sachs disease—a genetic disease producing abnormal red blood cells
C. Down syndrome—a neurodegenerative disorder; the brain tissues of the cortex degenerates resulting in the death of the child
D. Sickle-cell anemia—the child receives an extra chromosome; mental retardation results
36. Two-year old Zack has an inherited disorder in which his body cannot break down fat. He will probably die by the time he is four. Zack is most likely suffering from:
A. phenylketonuria.
B. sickle-cell anemia.
C. Tay-Sachs disease.
D. Down syndrome.
37. Clarissa’s mother was thirty-eight years old when she gave birth to her. Clarissa suffers from an intellectual disability and doctors have diagnosed that her condition was due to the extra chromosome that she had received at the moment of conception. Identify the condition afflicting Clarissa.
A. Phenylketonuria
B. Sickle-cell anemia
C. Tay-Sachs disease
D. Down syndrome
38. A teratogen is:
A. an environmental agent that can produce a birth defect.
B. a genetic or chromosomal abnormality that may produce a developmental disorder.
C. any physical defect in an unborn child.
D. a fertilized egg that undergoes rapid cell division.
39. Barney’s mother gave birth to him when she was 25 years old. She drank heavily during her pregnancy. As a result, Barney is short. He also has learning disorders and displays some facial abnormalities. Barney is most likely a case of:
A. Tay-Sachs disease.
B. phenylketonuria.
C. Down syndrome.
D. fetal alcohol syndrome.
40. Dennis’s mother had consumed a substantial amount of alcohol during her pregnancy; Dominic’s intelligence is below normal, his growth is slowed, and his facial features are slightly deformed. Ellis’s mother had also consumed a small amount of alcohol, and Ellis shows some but not all of the problems Dennis displays. Dennis suffers from _____; Ellis suffers from _____.
A. fetal alcohol effects; fetal alcohol syndrome
B. fetal alcohol effects; fetal alcohol effects also
C. fetal alcohol syndrome; fetal alcohol effects
D. fetal alcohol syndrome; fetal alcohol syndrome as well
